Add Broadway (#2926)

* Add files via upload

* Update broadway.rb

packages/broadway.rb

+require 'package'
+
+class Broadway < Package
+  description 'Run GTK applications in a browser window.'
+  homepage 'https://developer.gnome.org/gtk3/stable/gtk-broadway.html'
+  version 'gtk3.22'
+  source_url 'file:///dev/null'
+  source_sha256 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  depends_on 'gtk3'
+
+  def self.build
+    system "echo '#!/bin/bash' > startbroadwayd"
+    system "echo >> startbroadwayd"
+    system "echo '  BROADWAYD=\$(pidof broadwayd 2>/dev/null)' >> startbroadwayd"
+    system "echo '  if [ -z \"\${BROADWAYD}\" ]; then' >> startbroadwayd"
+    system "echo '    broadwayd \${BROADWAY_DISPLAY} &>/dev/null &' >> startbroadwayd"
+    system "echo '    sleep 3' >> startbroadwayd"
+    system "echo '  fi' >> startbroadwayd"
+    system "echo '  BROADWAYD=\$(pidof broadwayd 2>/dev/null)' >> startbroadwayd"
+    system "echo '  if [ ! -z \"\${BROADWAYD}\" ]; then' >> startbroadwayd"
+    system "echo '    echo \"broadwayd process \${BROADWAYD} is running\"' >> startbroadwayd"
+    system "echo '  else' >> startbroadwayd"
+    system "echo '    echo \"broadwayd failed to start\"' >> startbroadwayd"
+    system "echo '    exit 1' >> startbroadwayd"
+    system "echo '  fi' >> startbroadwayd"
+    system "echo '#!/bin/bash' > stopbroadwayd"
+    system "echo >> stopbroadwayd"
+    system "echo '  BROADWAYD=\$(pidof broadwayd 2>/dev/null)' >> stopbroadwayd"
+    system "echo '  if [ ! -z \"\${BROADWAYD}\" ]; then' >> stopbroadwayd"
+    system "echo '    pkill broadwayd' >> stopbroadwayd"
+    system "echo '    sleep 3' >> stopbroadwayd"
+    system "echo '  fi' >> stopbroadwayd"
+    system "echo '  BROADWAYD=\$(pidof broadwayd 2> /dev/null)' >> stopbroadwayd"
+    system "echo '  if [ -z \"\${BROADWAYD}\" ]; then' >> stopbroadwayd"
+    system "echo '    echo \"broadwayd process stopped\"' >> stopbroadwayd"
+    system "echo '  else' >> stopbroadwayd"
+    system "echo '    echo \"broadwayd process \${BROADWAYD} is running\"' >> stopbroadwayd"
+    system "echo '    exit 1' >> stopbroadwayd"
+    system "echo '  fi' >> stopbroadwayd"
+  end
+
+  def self.install
+    system "install -Dm755 startbroadwayd #{CREW_DEST_PREFIX}/bin/startbroadwayd"
+    system "install -Dm755 stopbroadwayd #{CREW_DEST_PREFIX}/bin/stopbroadwayd"
+  end
+
+  def self.postinstall
+    puts
+    puts "To complete the installation, execute the following:".lightblue
+    puts "echo '# Broadway environment variables + daemon' >> ~/.bashrc".lightblue
+    puts "echo 'if [[ -z \"\${GDK_BACKEND}\" ]]; then' >> ~/.bashrc".lightblue
+    puts "echo '  export GDK_BACKEND=broadway' >> ~/.bashrc".lightblue
+    puts "echo 'fi' >> ~/.bashrc".lightblue
+    puts "echo 'if [[ -z \"\${XDG_RUNTIME_DIR}\" ]]; then' >> ~/.bashrc".lightblue
+    puts "echo '  export XDG_RUNTIME_DIR=/var/run/chrome' >> ~/.bashrc".lightblue
+    puts "echo 'fi' >> ~/.bashrc".lightblue
+    puts "echo 'export BROADWAY_DISPLAY=:5' >> ~/.bashrc".lightblue
+    puts "echo 'startbroadwayd' >> ~/.bashrc".lightblue
+    puts "source ~/.bashrc".lightblue
+    puts
+    puts "To start the broadwayd daemon, run 'startbroadwayd'".lightblue
+    puts "To stop the broadwayd daemon, run 'stopbroadwayd'".lightblue
+    puts
+    puts "Please be aware that gtk applications may not work without the broadwayd daemon running.".orange
+    puts "Broadway may also not work if Sommelier is installed; If you have any issues, run these commands:".orange
+    puts
+    puts "sed -i 's,^export GDK_BACKEND=wayland,#&,g' ~/.bashrc".orange
+    puts "unset GDK_BACKEND && source ~/.bashrc".orange
+    puts
+    puts "Navigate your browser to http://127.0.0.1:8085 while the broadwayd".lightblue
+    puts "daemon is running to run GTK applications in the browser window.".lightblue
+    puts
+  end
+end